Gustaf valley



(No Model.)

G. VALLEY.

ARC INTERRUPTER FOR STREET GAR CONTROLLERS. No. 561,838. Y I PatentedJune 9, 1896.

NDREW a Gamma, PHOTOVUYMJWASHINGTONJ c UNITED STATES PATENT OEEICE.

.TUSTAF VALLEY, OF CLEVELAND, OHIO, ASSIGNOR TO THE STEEL MOTOR COMPANY, OF SAME PLACE.

ARC-INTERRUPTER FOR STREET-CAR CONTROLLERS.

SPECIFICATION forming part of Letters Patent No. 561,838, dated June 9, 1896.

Application filed February 10, 1896. Serial No. 578,745. (N model-l 1lall whom it may concern.- At a point contiguous to each of the contact- Be it known that I, GUSTAE VALLEY, a citistrips 0, and on the side thereof toward the Zen of the United States, residing at Cleyecontact-finger G,by which connection is made, land, in the county of Cuyahoga and State of a hole is made in each of the disks B, into Ohio, have invented certain new and useful which hole projects a plug 6, of conducting Improvements in Arc-Interrupters for Streetmaterial, affixed to the pole-piece E, as shown Car Controllers; and I do hereby declare the in Fig. The electrical connections of the following to be a full, clear, and exact definger-bar do not differ from those ordinarily scription of the invention, such as will enemployed, except in having added thereto the able others skilled in the art to which it apconnections of the coil D. When the drum pertains to make and use the same. is turned so as to break contact between any My invention relates tomagnetic blow-outs of the pieces 0 and its corresponding contactforbreaking the arc in electric-street car confinger G, an arc is frequently drawn between trollers; and it consists in the novel constructhe piece 0 and the receding finger G, as 5 tion, arrangement, and combination of parts would take place, for instance, in the posito effect that purpose, as hereinafter fully detion of the parts shown in Fig. 2 when the scribed, and pointed out in the claims. drum was turning in the direction indicated In the drawings, Figure 1 is a View in elevaby the arrow. The formation of such arcs tion of the drum of a street-car controller emburns and destroys or seriously injures the bodyin g my invention, the same being broken contact parts and the insulation of the drum; away in places to more clearly disclose the but with the construction shown the arc is in construction. Fig. 2 is a top plan view of the stantly extinguished by the attraction of the same with the cap-plate removed. Fig. 3 is a point e on the magnetic pole E, and by causdiagram illustrating a modification of the ing the electromagnet to act directly at right construction. angles to the are instead of partially lengthl is the shaft of the controller, actuated by wise thereof, as would be the case if the magthe usual handle, (not shown,) and to which netic pole were arranged external to the shaft are secured the usual annular disks drum instead of internally thereof,Isecure a B B I), of non-conductin g material, preferably quicker breaking or blowing out of the are So having each a rim Z) projecting beyond the and a diminished tendency to its formation. body of the disk, to which the contact-pieces The pole-pieces E may have any desired C are aflixed. Cap-plates F F engage the number of arms or may be tubular in form, end disks of the drum and are secured to the as shown in Fig. 3, so that the plugs 6 may shaft A, the whole forming a hollow drum, with the greater case be inserted at any dethrough the center of which passes the shaft sired point.

A. \Vithin the hollow space I arrange an hat I claim as my invention, and desire electromagnetic bobbin D, whose polepieces to secure by Letters Patent, is-

E E extend from the core outside of the coil 1. An arc-interrupter for street-carcontrol- D on one or more sides lengthwise nearly to lers, comprising essentially an electromagnet 9o the center of the drum, as seen in Fig. 1. The internal to the drum and having projections coil D may have an independent core; but I from its pole-pieces extending through the prefer to wind the coil upon the shaft A as a drum in proximityto the contaet pieces therecore and to attach thereto at each end of the of, substantially as described.

drum one of the pole-pieces E, which gives a 2. An arc-interrupterforstreet-carcontrol- 5 better balanced and more symmetrical conlers, having an electromagnetic coil wound struction. upon the shaft of the drum as a core, and hav- Proper connection of the ends of the coil ing projections from its pole-pieces extending D is made to the electrical circuit in which through the drum in proximity to the conthe controller is included, so that the coil D tact pieces thereof,substantiallyas described.

is made an electromagnet, of which the shaft 3. In an arc-interrupter for street-car con- A is the core and the pieces E E the poles. trollers the combination,with the drum, of an electromagnetic coil upon the shaft thereof, and pole-pieces extending from the shaft along the coil and having projections extending through the drum in proximity to the contact-pieces thereof, substantially as described.

4. In an arc-interrupter for street-car controllers, the combination with the drum of an electromagnetic coil upon the shaft thereof, and cylindrical pole-pieces extending from the shaft outside the coil and having projections extending through the drum in proximity to the contact-pieces thereof, substantially as described.

5. In an are-interrupter for street-car controllers the combination with the drum coniposed of annular disks secured upon a shaft, of an electromagnetic coil having pole-pieces extending along the coil Within the disks, and

projections from the pole-pieces extending through the disks in proximity to the contactpieces thereon, substantially as described.

6. lhe combination of the drum composed of annular disks secured upon a shaft, an

electromagnetic coil upon the shaft, polepieces extending from the shaft along the coil Within the disks, and projections from the pole-pieces extending through the disks in proximity to the contact-pieces thereon, substantially as described.

7. The combination of the drum composed of annular disks secured upon a shaft, an electromagnetic coil upon the shaft, cylindrical pole-pieces extending from the shaft along the coil, and projections from the polepieces extending through the disks in proximity to the contact-pieces thereon, substantially as described.

In testimony whereof I hereto affix my signature in presence of two Witnesses.

GUS AF VALLEY.

Vitnesses:

JOHN R. RYDER, WM. P. DUNLAP. 

